Mathematical operations (MCQ)

Directions (Q. No. 1-5: In each of the following questions, the two expessions on either side of the sign (=) will have the same value if two terms on either side on the same side are interchanged. The correct terms to be interchanged have been given as one of the five altenatives under the expressions. Find the corect altenative in each case.
1. 5 + 3 × 6 – 4 ÷ 2 = 4 × 3 – 10 ÷ 2 + 7
(1) 4, 7
(2) 5, 7
(3) 6, 4
(4) 6, 10
(5) 3, 7

2. 7 × 2 – 3 + 8 ¸ 4 = 5 + 6 × 2 – 24 ¸ 3
(1) 2, 6
(2) 6, 5
(3) 3, 24
(4) 7, 6
(5) 6, 4

3. 15 + 3 × 4 – 8 ¸ 2 = 8 × 5 + 16 ¸ 2 –1
(1) 3, 5
(2) 15, 5
(3) 15, 16
(4) 3, 1
(5) 20, 5

4. 6 × 3 + 8 ¸ 2 – 1 = 9 – 8 ¸ 4 + 5 × 2
(1) 3, 4
(2) 3, 5
(3) 6, 9
(4) 9, 5
(5) 15, 16

5. 8 ¸ 2 × – 11 + 9 = 6 × 2 – 5 + 4 ¸ 2/font>
(1) 5, 9
(2) 8, 5
(3) 9, 6
(4) 11, 5
(5) 9, 5

Directions (Q. No 6-10): In each of the following questions, which one of the fou interchanges in signs and numbes would make the given equation correct?
6. 6 × 4 + 2 = 16
(1) + and ×, 2 and 4
(2) + and ×, 2 and 6
(3) + and ×, 4 and 6
(4) × and –, 6 and 2
(5) None of these

7. (3 ¸ 4) + 2 = 2
(1) + and ×, 2 and 3
(2) + and ¸, 2 and 4
(3) + and ¸, 3 and 4
(4) No intechange, 3 and 4
(5) + and ×, 4 and 3

8. 4 × 6 – 2 = 14
(1) × to ¸, 2 and 4
(2) – ¸, 2 and 6
(3) – to +, 2 and 6
(4) × to +, 4 and 6
(5) – to, 4 and 6

9. (6 ¸ 2) × 3) = 0
(1) ¸ and ×, 2 and 3
(2) × to –, 2 and 6
(3) ¸ and ×, 2 and 6
(4) × to –, 2 and 3
(5) ¸ to –, 2 and 6

10. Select the correct set of symbols which will fit in the given equation 5 0 3 5 = 20.
(1) ×, ×, ×
(2) –, +, ×
(3) ×, +, ×
(4) +, –, ×
(5) +, ×, +